v8/test/mjsunit/compiler/bound-functions-serialize.js
Jakob Gruber bd1cc7b009 [compiler] Remove support for --no-concurrent-inlining
Now that concurrent inlining is shipping on stable, remove support
--no-concurrent-inlining.

Note that it's still possible to run Turbofan exclusively on the
main thread by passing --no-concurrent-recompilation.

Bug: v8:7790, v8:12142, chromium:1240585
Change-Id: I1943bbbcad7dea7e3a3c337c239f14f7d96c23cd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3308798
Reviewed-by: Liviu Rau <liviurau@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78644}
2022-01-17 11:29:48 +00:00

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JavaScript

// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Flags: --allow-natives-syntax --opt --noalways-opt --noturboprop
class C {};
const c = new C;
const getPrototypeOf = Object.getPrototypeOf;
function bar(f) {
return f();
}
function foo() {
return bar(getPrototypeOf.bind(undefined, c));
}
%PrepareFunctionForOptimization(foo);
%PrepareFunctionForOptimization(bar);
bar(function() {});
foo();
%OptimizeFunctionOnNextCall(foo);
foo();
assertOptimized(foo);
c.prop = 42;
// Assert that the call reducer optimized the call to Object.getPrototypeOf
// by asserting that foo gets deopted when c's previous map becomes
// unstable.
foo();
assertUnoptimized(foo);